Answered: Which of the following is not a… | bartleby

Related questions

Question

Which of the following is not a characteristic of memory B cells

a.) Secretion of a large amount of antibodies

b.) Long life up to decades

c.) Having specific immunity against T-independent antigens

d.) Requiring helper T Cell activation

Expert Solution

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

Which of the following statements are true for antigen presentation. a. Antigen presentation means that other cells attach the pathogen first and present it to T cells. b. Antigen-presenting cells display protein fragments, resulting from the digestion of the pathogen, in complex with MHC receptor to B cells c. Antigen presenting cells display protein fragments, resulting from the digestion of the pathogen, in complex with MHC receptor on their surface. d. Antigen-presenting cells are phagocytic cells e. Antigen presentation is required for T cell activation f. Cytokines released by macrophages are required for T cell activation g. T cell receptors recognize the MHC receptors in complex with antigen fragments displayed by antigen-presenting cells. h. Phagocytic cells are involved in innate immunity. Therefore they have no role in T-cell activation
Which of the following destroys virus-infected cells? Question 6 options: A) cytotoxic T cells B) B cells C) T helper cells D) dendritic cells
How can an extracellular bacterium and an intracellular virus independently be targeted by a particular T cell response? And what is the mechanism of antigen presentation?
Which of following is not a type of T lymphocyte? a. Helper T cell b. Memory T cell c. Cytotoxic T cell d. Mast T cell
Explain why each choice (a-d) is correct or incorrect. Which statement is true about T cells? a. They usually directly recognize antigens, which then activates a subpopulation of killer cells b. Their proliferation is enhanced by interleukins 1 and 2. c. Once activated, they cannot secrete cytokines. d. They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.
4. The variable region can be found in Fab B). Fc C). CL D). TLR E). A, B and C 5. Which event primarily takes place in the thymus? A). Production of thyroid hormone B). Clonal expansion C). Antigen activation of lymphocytes D). Development of memory cells E). None of the above.
Johnny has just been infected and needs your help in letting him know how his body is fighting the infection. To do so, describe how the innate and adaptive immune systems work together. You should address the following: 1. define adaptive and innate immunity; 2. Describe the role of natural killer cells (how do they work); 3. what are antigen presenting cells and what is their function, what are MHCs?; 4. describe the role of the complement system; 5. what is the role of interferons?; 6. How do helper T cells, cytotoxic T cells and B lymphocytes work make sure you address adaptive immunity memory?; 7. Define HIV, which cells do they attack and why do some individuals develop persistent lymphadenopathy (swollen or enlarged lymph nodes)?
The followings are functions of antibody eliminating unknown particles or cells which enter into the body, except... A. Attach to the active side of particle or cell that enters into the body B. Make easier of macrophage to phagositosize unknown particle or cell that enters the body C. Precipitate the unknown particle that dissolves in body fluid D. Initiate the working system of complement E. Eliminate bacteria that grows on endosome of macropahge